Installation Guide

Table Of Contents

FinMInstallationGuideRev.0.9 Release4.5.25 1‐3

TransportationFiberinMotionOverview Introduction

D. TMUs(TransportationMobileUnits)areinstalledonboardrollingstock,andareequippedwithantennas(usually3,installed onthe

roof).OneTMUisinstalledinthefrontandanotherintherearmostcompartmentofthetrain.

E. TheTBSunitstransmitto/receivefromTMUsthatarelocatedwithinitsbeam.

F. TheTMUradiosarepoweredbyPoEdevicesorarepowereddirectlybyanon‐boardswitchthatcanprovidePoE‐plus(802.3.at)

connection.

G. TheTMUradiosareconnectedtoanon‐boardnetwork(recommendedspeed1Gbps),whichenablesconnectivitybetweenthetwo

TMUs,aswellasconnectiontootheron‐boarddevices.

Figure1‐2:FiberinMotionOverview‐InternalOn‐boardview

TMUantenna(oneshown)

On‐boardethernet

LAN

Router

TMU

PoEforTMU

TMU

PoE

forTMU

(D)

(F)

(G)